Mini Cooper S R55 R56 R57 Petrol N14 Engine Cylinder Head Vacuum Pump 7556919

The Mini Cooper S R55 R56 R57 Petrol N14 Vacuum Pump is a specialized vacuum system component designed for N14 petrol engines in Mini Cooper S models of the R55, R56, and R57 series. It is responsible for the stable generation of vacuum necessary for, among other things, the braking system and other consumers, ensuring predictable engine operation and driving comfort. Thanks to the use of original Mini design, this vacuum pump allows for a technically correct replacement of a worn-out part without interfering with the vehicle's factory architecture.

Specifications and technical data

• SKU: 7556919
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7556919
• Substitutable numbers: 11667556919, 7556919
• Fuel type: Petrol
• Category: Vacuum Pumps

Purpose and Compatibility with N14 Engine

The presented vacuum pump has been designed to work with the N14 petrol engine used in Mini Cooper S generations R55, R56, and R57. The design, adapted to the characteristics of this unit, ensures proper vacuum values across a wide range of loads, which translates to:

• consistent brake assist operation during city and highway driving,
• stable operation of vacuum-controlled components,
• maintenance of factory powertrain parameters.

By preserving the original geometry and mounting points, the pump fits into the factory-intended mounting locations in the engine bay, which facilitates servicing and reduces vehicle downtime.

Category: Mini Vacuum Pumps – Technical Characteristics

As a component from the vacuum pumps category, this vacuum pump is responsible for generating stable vacuum, independent of momentary engine speed changes. In practice, this means:

• more predictable brake pedal response,
• proper cooperation with vacuum-dependent control systems,
• reduced risk of braking effectiveness loss during dynamic driving.

A solution based on the original Mini design allows for compliance with the manufacturer's service documentation and facilitates future diagnostics.

Used Condition – Practical Benefits for the User

The vacuum pump is offered in used condition, which represents a reasonable compromise between repair cost and maintaining the original manufacturer's specifications. Choosing such a solution is particularly beneficial when:

• you are looking for a part with factory fitment for a specific engine and body style,
• you want to limit service costs while maintaining correct system operating parameters,
• you are planning phased refurbishment or upgrade of engine accessories.

A properly selected used vacuum pump allows for restoring the efficiency of the vacuum system without the need for costly replacement with a new part.

Selection by OEM and Integration with Fuel System

For components like a vacuum pump, matching by manufacturer numbers and compatibility with the specific petrol engine version are crucial. When selecting, it is advisable to use service documentation or OEM numbers to avoid problems with installation and system sealing. For a fuller understanding of the dependencies between pumps, injectors, and engine power supply, it is worth reading the blog article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Refurbishment”, which discusses diagnostics and component selection by catalog numbers.

Other Mini Vacuum Pumps

If you are also looking for other Mini vacuum pumps for different engine or body versions, check out our dedicated category: Mini vacuum pumps. This will allow you to easily compare available variants and select the component best suited for your specific car.